51461035404 has 12 divisors (see below), whose sum is σ = 120075749304. Its totient is φ = 17153678464.

The previous prime is 51461035387. The next prime is 51461035421. The reversal of 51461035404 is 40453016415.

It is an interprime number because it is at equal distance from previous prime (51461035387) and next prime (51461035421).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144209797 + ... + 2144209820.

It is an arithmetic number, because the mean of its divisors is an integer number (10006312442).

Almost surely, 2^51461035404 is an apocalyptic number.

It is an amenable number.

51461035404 is an abundant number, since it is smaller than the sum of its proper divisors (68614713900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51461035404 is a wasteful number, since it uses less digits than its factorization.

51461035404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288419624 (or 4288419622 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 51461035404 in words is "fifty-one billion, four hundred sixty-one million, thirty-five thousand, four hundred four".